The effectiveness of community policing owes to the conformity of the means and aim of community peace order control.
社区警务是否有效，取决于社区治安控制手段和目标的一致性。
This paper proposes a PID regulator of changeable parameters applying model reference adaptive principle. It is suitable for one-order, two-order control systems of single input and single output.
本文提出了一种应用模型参考自适应原理的变参数PID调节器，适用于单输入——单输出的一阶、二阶控制系统。
Considering the integer-order systems analysis is happened only in positive frequency domain, this paper is concerned about the extended frequency analysis method for fractional-order control systems.
鉴于整数阶控制系统主要进行正频域分析，本文论述了分数阶控制系统的扩展频域方法。
The company invested thousands in an electronic order-control system.
公司耗资数千购买了一套电子订单管理系统。
The company invested thousands in an electronic order-control system.
公司耗资数千购买了一套电子订单管理系统。
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